mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-27 02:07:42 +00:00
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Use of this source code is governed by a BSD-style license
|
||
|
|
* that can be found in the LICENSE file in the root of the source
|
||
|
|
* tree. An additional intellectual property rights grant can be found
|
||
|
|
* in the file PATENTS. All contributing project authors may
|
||
|
|
* be found in the AUTHORS file in the root of the source tree.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
|
||
|
|
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
|
||
|
|
/*
|
||
|
|
* Define the fixpoint numeric formats
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "typedefs.h"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* WebRtcPcm16b_EncodeW16(...)
|
||
|
|
*
|
||
|
|
* "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* - speechIn16b : Input speech vector
|
||
|
|
* - length_samples : Number of samples in speech vector
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* - speechOut16b : Encoded data vector (big endian 16 bit)
|
||
|
|
*
|
||
|
|
* Returned value : Size in bytes of speechOut16b
|
||
|
|
*/
|
||
|
|
|
||
|
|
int16_t WebRtcPcm16b_EncodeW16(const int16_t* speechIn16b,
|
||
|
|
int16_t length_samples,
|
||
|
|
int16_t* speechOut16b);
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* WebRtcPcm16b_Encode(...)
|
||
|
|
*
|
||
|
|
* "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* - speech16b : Input speech vector
|
||
|
|
* - len : Number of samples in speech vector
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* - speech8b : Encoded data vector (big endian 16 bit)
|
||
|
|
*
|
||
|
|
* Returned value : Size in bytes of speech8b
|
||
|
|
*/
|
||
|
|
|
||
|
|
int16_t WebRtcPcm16b_Encode(int16_t *speech16b,
|
||
|
|
int16_t len,
|
||
|
|
unsigned char *speech8b);
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* WebRtcPcm16b_DecodeW16(...)
|
||
|
|
*
|
||
|
|
* "Decode" a vector to 16 bit linear (Encoded standard is big endian)
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* - speechIn16b : Encoded data vector (big endian 16 bit)
|
||
|
|
* - length_bytes : Number of bytes in speechIn16b
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* - speechOut16b : Decoded speech vector
|
||
|
|
*
|
||
|
|
* Returned value : Samples in speechOut16b
|
||
|
|
*/
|
||
|
|
|
||
|
|
int16_t WebRtcPcm16b_DecodeW16(void *inst,
|
||
|
|
int16_t *speechIn16b,
|
||
|
|
int16_t length_bytes,
|
||
|
|
int16_t *speechOut16b,
|
||
|
|
int16_t* speechType);
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* WebRtcPcm16b_Decode(...)
|
||
|
|
*
|
||
|
|
* "Decode" a vector to 16 bit linear (Encoded standard is big endian)
|
||
|
|
*
|
||
|
|
* Input:
|
||
|
|
* - speech8b : Encoded data vector (big endian 16 bit)
|
||
|
|
* - len : Number of bytes in speech8b
|
||
|
|
*
|
||
|
|
* Output:
|
||
|
|
* - speech16b : Decoded speech vector
|
||
|
|
*
|
||
|
|
* Returned value : Samples in speech16b
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
int16_t WebRtcPcm16b_Decode(unsigned char *speech8b,
|
||
|
|
int16_t len,
|
||
|
|
int16_t *speech16b);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* PCM16B */
|